A051780 Numerators of Taylor series expansion of (exp(1-exp(x))-1)/(1-exp(x)).

1, -1, -1, 1, 1, 1, -17, -25, 13, 479, 29, 17, -2083063, -696593, -211909, 211297, 210886733, 1222533101, -15003686527, -112331246591, -13991116697599, -1981942906607, 6522909690929, 42391675163171, 59244040639692451, 1045976765017559

Offset

0,7

Links

Table of n, a(n) for n=0..25.

Example

1-1/2*x-1/12*x^2+1/24*x^3+1/45*x^4+1/1440*x^5-17/6048*x^6-25/24192*x^7+...

Crossrefs

Cf. A051781.

Sequence in context: A231963 A158803 A340050 * A124971 A272635 A105448

Adjacent sequences: A051777 A051778 A051779 * A051781 A051782 A051783

Keyword

sign,easy,frac

Author

N. J. A. Sloane, Dec 09 1999

Status

approved